| Model Year | 2006 | 2021 | |
| Model | Porsche Cayenne | Mercedes-Benz GLS | |
| Engine | turbocharged 4.5L V8 DOHC-4v 520 hp@5500 530 lb-ft@2750 |
turbocharged 4.0L V8 Hybrid DOHC-4v 603 hp@5750 627 lb-ft@2500 |
|
| Transmission | 6-speed shiftable automatic | 9-speed shiftable automatic | |
| Drivetrain | AWD w/low range | AWD | |
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 112.4 in | 123.4 in | -11 in |
| Length | 188.2 in | 205.0 in | -16.8 in |
| Width | 75.9 in | 79.9 in | -4 in |
| Height | 66.9 in | 71.8 in | -4.9 in |
| Curb Weight | 5192 lb. | 5828 lb. | -636 lb. |
| Fuel Capacity | 26.4 gal. | 23.8 gal. | 2.6 gal. |
| Headroom, Row 1 | 39.7 in | 39.4 in | 0.3 in |
| Shoulder Room, Row 1 | 58.5 in | 59.3 in | -0.8 in |
| Hip Room, Row 1 | 57.4 in | 0.0 in | 57.4 in |
| Legroom, Row 1 | 40.6 in | 40.3 in | 0.3 in |
| Headroom, Row 2 | 38.9 in | 40.2 in | -1.3 in |
| Shoulder Room, Row 2 | 56.7 in | 58.5 in | -1.8 in |
| Hip Room, Row 2 | 53.3 in | 0.0 in | 53.3 in |
| Legroom, Row 2 | 36.0 in | 41.9 in | -5.9 in |
| Legroom, Row 3 | 0.0 in | 34.6 in | -34.6 in |
| Total Legroom | 76.6 in (over 2 rows) | 116.8 in (over 3 rows) | -40.2 in |
| Cargo Volume, Minimum | 19.1 ft3 | 17.4 ft3 | 1.7 ft3 |
| Cargo Volume, Behind R2 | 19.1 | 42.7 ft3 | -23.6 |
| Cargo Volume, Maximum | 62.5 ft3 | 84.7 ft3 | -22.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2006 Porsche Cayenne.
None of our members have yet commented on the seat room and comfort of the 2021 Mercedes-Benz GLS.